Bytecode verified via sibling
This contract shares identical runtime bytecode with a verified contract (0x0a85a25b...) which has been verified through compiler archaeology.
Withdrawal wallet that checks an operator registry before moving funds and treats a sentinel address as meaning ether rather than a token.
Historical Significance
The sentinel pattern lets one function signature cover both ether and tokens, which matters when an operator's software wants a single code path for withdrawals. Declaring the ERC20 transfer as returning nothing was also a deliberate accommodation: several widely held tokens of the period returned no value, and a contract expecting a boolean would revert when handling them.
Token Information
Key Facts
Description
Two storage values: an authority contract and a sentinel address. withdraw first asks the authority whether the caller is an operator for the given token and reverts if not. It then compares the token against the sentinel; a match means move ether with transfer, anything else means call the ERC20's transfer. The ERC20 interface is declared as returning nothing, so the call site expects no return value at all.
balanceOf follows the same branch, reporting the contract's own ether balance for the sentinel and its token balance otherwise. The payable fallback accepts ether silently.
Heuristic Analysis
The following characteristics were detected through bytecode analysis and may not be accurate.
Byzantium Era
First Metropolis hard fork. Added zk-SNARK precompiles, REVERT opcode, and staticcall.
Bytecode Overview
External Links
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